99876541320 has 80 divisors (see below), whose sum is σ = 335696163660. Its totient is φ = 26633743488.

The previous prime is 99876541283. The next prime is 99876541321. The reversal of 99876541320 is 2314567899.

99876541320 is a `hidden beast` number, since 9 + 9 + 8 + 76 + 541 + 3 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 98851132836 + 1025408484 = 314406^2 + 32022^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (99876541321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15409807 + ... + 15416286.

It is a 2-persistent number, because it is pandigital, and so is 2⋅99876541320 = 199753082640, but 3⋅99876541320 = 299629623960 is not.

Almost surely, 2^99876541320 is an apocalyptic number.

99876541320 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99876541320 is an abundant number, since it is smaller than the sum of its proper divisors (235819622340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99876541320 is a wasteful number, since it uses less digits than its factorization.

99876541320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30826116 (or 30826103 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 99876541320 in words is "ninety-nine billion, eight hundred seventy-six million, five hundred forty-one thousand, three hundred twenty".